What is the net change that occurs during the fusion process in the Sun?

To understand how the Sun is able to produce as much energy as it does we ... (Note - because strong force changes so rapidly with distance the applet ... In the case of the sun hydrogen atoms are fused together to produce helium in a process ... can precisely quantify how much energy is released during a fusion reaction.

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I believe it is b, Four hydrogen nuclei join to form a helium nucleus, two neutrinos, and energy.